27 results about "High silica" patented technology

The invention discloses a composite heat insulation coating structure and method for a high-temperature component of an unmanned aerial vehicle. The structure comprises a heat insulation base material layer made of a high silica glass fiber material and a reflecting layer made of metal foil, and the heat insulation base material layer and the reflecting layer are compounded into a whole. The reflecting layer is used for reflecting heat radiation, and the heat insulation base material layer is used for blocking heat conduction. The problems that a traditional ceramic fiber material is prone to embrittlement and short in service life in a high-temperature vibration environment are effectively solved through a double heat insulation mechanism of reflection-blocking. The coating structure has excellent heat-resistant cyclicity, good flexibility and process adaptability, can perfectly fit special-shaped structures such as a bulkhead and a tail cover of the unmanned aerial vehicle, and remarkably improves the reliability and prolongs the service life of a thermal management system of the unmanned aerial vehicle.

The utility model discloses a kind of high-silica glass fiber ball drop ball collecting devices, it is related to glass fiber processing technical field, including support and box, box includes closed frame and ventilation frame, support is installed in closed frame bottom, ventilation frame is connected in closed frame top and inside intercommunication, closed frame inside is by several inclined plate inverted trapezoidal groove is formed, trapezoidal groove bottom of closed frame side wall is equipped with ball outlet, pull door is equipped at ball outlet;Ventilation frame side and top are each equipped with metal net, the metal net on ventilation frame top is equipped with ball inlet, ball inlet is connected with ball conveying guide rail, and the side opposite to the outlet of ventilation frame and ball conveying guide rail is installed with buffer plate.The utility model is connected by using closed frame and ventilation frame to form storage box, ventilation frame side and top are formed by metal net, it is convenient to ventilate and radiate heat, reaches directly through ball conveying guide rail to convey storage after glass ball processing, and cooling can be carried out simultaneously by heat dissipation and ventilation to glass ball.

The invention provides a temperature and humidity alternating resistant water-based paint and a preparation method thereof. The temperature and humidity alternating resistant water-based paint is composed of a component A and a component B, the component A comprises an elastic emulsion, an anti-freezing agent, a coalescing agent, a wetting dispersant, a defoaming agent, a thickening agent, a multifunctional additive, water and at least one of glass fibers, high silica fibers and sepiolite fibers; the component B comprises a cross-linking agent; the cross-linking agent is an isocyanate curing agent, an oxazoline cross-linking agent or an aziridine cross-linking agent. According to the temperature and humidity alternating resistant water-based paint provided by the invention, components with specific contents are adopted, so that relatively good overall interaction is realized, and a coating can have good stability in a complex temperature and humidity change environment; and the component A can also comprise a fireproof filler and a flame retardant, can expand and foam when meeting flames to form a foam expansion layer, has high strength and compactness, can prevent flame heat transmission and prolong the fire endurance of the base material, and has good fire resistance.

The invention discloses a composite fireproof heat insulation pad for a battery pack and a preparation method thereof, and belongs to the technical field of battery safety. The heat insulation pad is of a double-layer composite structure, the inner layer is a high-silicon-dioxide glass fiber needled felt heat insulation core layer, and the outer layer is a ceramic silica gel glass fiber cloth fireproof coating layer. The two layers are sewn into a whole through high-temperature-resistant sewing threads, and a back adhesive layer is arranged on one side of the two layers. The product provided by the invention has excellent fire resistance (can tolerate flame at 1000 DEG C for 30 minutes), excellent heat insulation, excellent flexibility and thermal shock resistance, and is convenient to install. The preparation process is simple, can be completed through cutting, wrapping and sewing and gum application, and is suitable for large-scale production. The product can effectively delay or prevent heat spreading in the battery pack, and the battery safety level of the new energy automobile is remarkably improved.

The invention belongs to the field of post-treatment of high-silica glass fiber cloth, and relates to a high-silica glass fiber cloth cleaning and sewing process. Due to the fact that existing high-silica cloth with the thickness of 0.4 mm is not sintered, the surface of the cloth can become yellow when the cloth works for a long time in a high-temperature working environment (the working temperature is 400 DEG C), and the appearance of a sewing product is changed. If high-silica cloth (sintered) with the thickness of 0.4 mm is used, the sewing quality can be influenced, and the strength of the sewing position is not enough after sewing. In order to overcome the manufacturing pain point of an existing product, the invention is studied, and the main technical means adopted by the invention is as follows: high-silica glass fiber cloth is pre-cleaned by a solvent and then sintered at a low temperature, so that the cleaning treatment of the cloth is completed. The process of cleaning and low-temperature sintering is adopted. The strength of the sewing line position of the cloth can be guaranteed, it can be guaranteed that the cloth does not become yellow or black in the high-temperature working environment (the working temperature is 400 DEG C), and the problem of the pain point of the processing technology is solved.

The invention relates to a vacuum-assisted compression molding method and mold for a nano microporous insulation panel, and the method comprises the following specific steps: S1, preparing a composite glass fiber cloth bag: uniformly mixing organosilicon modified epoxy resin, hydrophobic nano silicon dioxide, diethylenetriamine, an amino silane coupling agent, polyethylene glycol and acetone to prepare coating slurry, and carrying out vacuum compression molding on the composite glass fiber cloth bag to prepare the composite glass fiber cloth bag; dipping a glass fiber cloth bag in the coating slurry to obtain a composite glass fiber cloth bag; s2, preparing composite powder: mixing and stirring fumed silica, an opacifying agent and high silica fibers to obtain nano-microporous composite powder; s3, the pressing forming mold is positioned and overturned; s4, vertically and flatly spreading the cloth bag; s5, charging and sealing; s6, the mold frame is overturned; and S7, compression molding. Through the synergistic effect of the microporous coating structure of the composite glass fiber cloth bag and the vacuum-assisted compression molding process, the nano microporous heat insulation plate which is high in flatness, free of wrinkles, uniform in edge core density and excellent in heat insulation performance is prepared.

The utility model relates to the technical field of silicon dioxide packaging, in particular to a silicon dioxide packaging mechanism which comprises a supporting plate, supporting legs are fixed to the four corners of the bottom of the supporting plate, a discharging bin is fixed to the bottom of the supporting plate, a rotating shaft is arranged in the discharging bin, two quantitative barrels are fixed to the outer side of the rotating shaft, and the two quantitative barrels are both connected into the discharging bin in a sliding mode. And stirring shafts are rotationally connected into the two quantitative cylinders. Filtered silicon dioxide enters from a feeding port of a discharging bin and fills a quantitative barrel on the upper side, the quantitative barrel on the upper side rotates to the lower side, and silicon dioxide in the quantitative barrel is poured into a packaging bag from a discharging port of the discharging bin, so that quantitative discharging of silicon dioxide is achieved, and the accuracy of silicon dioxide packaging is improved; the gear at the front end of the stirring shaft is meshed with the rack, so that the stirring shaft is driven to rotate, the silicon dioxide in the quantitative cylinder is stirred, the caked silicon dioxide is scattered while the silicon dioxide is scattered, and the packaging quality of the silicon dioxide is improved.

The invention discloses a high-flame-retardant and high-temperature-resistant composite material and a preparation method thereof, and relates to the technical field of high-molecular compound compositions, the high-flame-retardant and high-temperature-resistant composite material comprises 50-60 parts of polyether sulfone, 10-15 parts of polyimide, 15-20 parts of chopped high silica fibers, 12-15 parts of modified nano magnesium hydroxide, 5-7 parts of zinc borate, 3-5 parts of a phosphazene flame retardant, 3-4 parts of pentaerythritol, and 3-4 parts of polyetherimide; preferably, 5-8 parts of mica powder, 0.8 part of antioxidant 1010 and 0.5 part of zinc oxide are adopted. The preparation method comprises the following steps: drying the pretreated material, mixing the raw materials except the phosphazene flame retardant and the pentaerythritol at a high speed, performing twin-screw extrusion, and performing injection molding. The silane coupling agent is 3-aminopropyltriethoxysilane, and the concentration of the ethanol solution is 1-3%; the high-flame-retardant high-temperature-resistant cable material has good high-flame-retardant and

The invention discloses high silica glass fiber glass fabric heat insulation performance test equipment, and relates to the technical field of glass fabric, the high silica glass fiber glass fabric heat insulation performance test equipment comprises a rack, a housing, a test space and a test assembly, and the test assembly comprises a heat source generator, a fixing mechanism and a detection mechanism. According to the invention, the glass fabric is fixed through the arranged fixing mechanism, and the fixing mechanism can adjust the distance between the glass fabric and the heat source generator, so that the detection mechanism can carry out gradient detection on heat emitted by the heat source generator in the test space; the control group is set to carry out contrast detection at the same time and under the same condition, so that the detection mechanism can detect and compare the temperature at the same position under the almost same condition, and the heat insulation performance of the glass fabric can be visually obtained.

The utility model discloses elasticity detection equipment for processing high-silica fiber cloth, which is provided with a detection machine for detecting elasticity of fiber cloth, a lifting frame is movably arranged on the inner surface of the detection machine in a threaded manner, and a visual scanning seat is mounted on the lower side of the inner surface of the detection machine; comprising an elastic force detector which is installed on the lower surface of the lifting frame, a clamping mechanism is installed on the lower surface of the elastic force detector, a worm is rotationally arranged on the inner surface of the clamping mechanism, and meanwhile a worm gear is meshed with the outer surface of the worm. According to the elastic force detection equipment for processing the high-silica fiber cloth, the lifting frame for driving the elastic force detector and the clamping mechanism for the upper part is arranged and is matched with the clamping mechanism for the lower part for synchronous use, so that the clamping stability is improved; the clamping stability of the cloth body is controlled, falling is prevented, and the state of the cloth body is monitored and recorded in real time in cooperation with a visual scanner.

The invention discloses an acid treatment device for high-silica glass fiber cloth. The acid treatment device comprises a cloth roller, a sealing cover, an inlet and outlet pipe, a support frame, a reaction tank and a sealing tank, high-silica glass fiber cloth is wound on the cloth roller, the cloth roller is placed on a supporting frame in the reaction tank, and the high-silica glass fiber cloth is subjected to reaction treatment in the reaction tank; a sealing cover is mounted on the top surface of the reaction tank, so that the acidic liquid working medium does not leak during working; a hollow liquid flowing channel is arranged in the cloth roller, liquid flowing holes are formed in the surface of the cloth roller, the inlet and outlet pipe is embedded into the cloth roller and communicated with the hollow liquid flowing channel arranged in the cloth roller, and an acid liquid working medium flows into the hollow liquid flowing channel in the roller shaft through the inlet and outlet pipe, flows out of the liquid flowing holes and flows into a cloth roll for chemical treatment. Compared with the prior art, through the design that the liquid flowing holes in the cloth roller and the interior of the roller shaft are the hollow liquid flowing channels, the acid leaching uniformity of the whole roll of cloth is improved, and therefore the strength consistency of the whole roll of cloth is improved.

The invention discloses an automatic rotating device and method for high silica glass fiber rope yarn acid treatment. The automatic rotating device comprises a pickling tank assembly, a beam frame assembly and a transmission mechanism. The pickling tank assembly is a main body structure for bearing acid liquor and washing liquor; the beam frame assembly is of a frame structure and used for hanging yarn rods and rope yarn. The transmission mechanism provides power to enable the yarn rod to rotate automatically, relative movement of the rope yarn and the yarn rod is achieved, the problem of impurity accumulation on the contact face is solved, and the inherent quality and production efficiency of the rope yarn are improved. The acid treatment process is in a sealed state through the tank body cover plate, so that the dissipation of acid gas is reduced, the operation safety is guaranteed, and the external pollution is avoided. Full-process automation of acid liquid injection, circulation, discharge and yarn rod rotation is achieved, and manual intervention is reduced; through dynamic rotation, it is ensured that the rope yarn makes full contact with acid liquor or water, and the treatment effect is improved; glass fiber reinforced plastics and polytetrafluoroethylene materials are adopted, so that the service life of equipment is prolonged; and due to the circulating overflow design, the waste of acid liquor is reduced, and the production cost is reduced.

The invention discloses a circuit substrate and application thereof, and the circuit substrate comprises a middle layer which comprises a glass fiber cloth layer and a polytetrafluoroethylene resin layer attached to the glass fiber cloth layer, the glass fiber cloth layer is modified high silica glass fiber cloth, and the activation index of the modified high silica glass fiber cloth is 0.6-0.9; the two coating layers are arranged on the upper side and the lower side of the middle layer respectively, each coating layer comprises a hydrocarbon resin layer, and reinforced short fibers are contained in the hydrocarbon resin layers. According to the scheme, the glass fiber cloth layer in the middle layer is the modified high-silica glass fiber cloth with the activation index of 0.6-0.9, the tensile strength of the circuit substrate can be improved while the Df of the circuit substrate is effectively reduced, the CTE of the circuit substrate is effectively reduced by arranging the reinforcing short fibers in the coating layers on the upper side and the lower side of the middle layer, and the service life of the circuit substrate is prolonged. The tensile strength of the circuit substrate is improved, and the interlayer peel strength of the multilayer printed circuit board is improved.

The application relates to a kind of nano microporous insulating board vacuum assisted press forming method and mould, specific steps include, S1, preparation composite glass fiber cloth bag: organic silicon modified epoxy resin, hydrophobic nanometer silicon dioxide, diethylenetriamine, amino silane coupling agent, polyethylene glycol and acetone are mixed uniformly, coating slurry is prepared, glass fiber cloth bag is immersed in coating slurry, and composite glass fiber cloth bag is obtained;S2, composite powder preparation: gas phase silicon dioxide, sunscreen and high silica fiber are mixed and stirred, and nano microporous composite powder is obtained;S3, positioning overturn press forming mould;S4, cloth bag vertical flat spread;S5, loading seal;S6, mould frame overturning;S7, mould pressing forming.The nano microporous insulating board with high flatness, no wrinkle, uniform edge core density and excellent heat insulation performance is prepared by the synergistic effect of the microporous coating structure of the composite glass fiber cloth bag and the vacuum assisted press forming process.

The present application relates to the field of high silica glass fiber sizing agent, and particularly relates to a high silica glass fiber sizing agent and a preparation method thereof, wherein new sizing agent component raw materials are selected, and the mass percentage (wt%) of each component in the sizing agent is as follows: epoxy resin: 0.5-5.0, PAO-20: 0.5-5.0, isopropyl laurate: 0.5-2.5, S-80: 0.2-0.6, T-80: 0.2-1.2, oxidized starch: 0.2-1.5, ethylene-vinyl acetate copolymer: 0.3-2.5, citric acid: 0.1-1.5, and deionized water: 80.2-97.5. The sizing agent of the present application uses epoxy resin as a film former, PAO-20 as a plasticizer, isopropyl laurate as a lubricant, and various additives, thereby improving the wear resistance and lubrication rate of high-alkali high-silica glass fiber continuous yarn during the processes of drawing, spinning, and weaving, reducing the erosion of the atmosphere on the fiber, reducing the generation of fiber hair during the spinning process, and also improving the stability of the sizing agent emulsion under acidic conditions.

The utility model discloses a fire-resistant 100-core composite cable, which adopts a common 100-core composite cable as a basis, and adopts a polyimide film, a mica tape, high silica glass cloth and ceramic polyolefin which are sequentially distributed from inside to outside to form a composite fire-resistant layer, the ceramic polyolefin on the outermost layer can be ceramized after being heated to form a ceramic hard shell, and the composite fire-resistant layer is formed by the ceramic polyolefin on the outermost layer. The ceramic hard shell does not melt and drop, can resist water spraying and mechanical vibration, has very good heat insulation and fire insulation effects, completely blocks a fire source and heat on the outer layer, ensures absolute completeness of the interior of the cable core, and does not cause interference to an internal cable core assembly during subsequent fire extinguishment; the internal mica tape and the high silica glass cloth maintain the stability of the internal structure of the cable at a high temperature, and the polyimide film at the innermost layer can work at 300-400 DEG C for a long time, thereby ensuring that the cable core assembly can stably transmit electric signals, and effectively solving the problem that a common 100-core composite cable does not have a function of maintaining in flame.

The invention discloses high-silica glass fiber chopped yarn production equipment, and relates to the technical field of glass fiber production, the high-silica glass fiber chopped yarn production equipment comprises a support, a chopping assembly and an impurity removal assembly, the chopping assembly comprises a feeding cylinder, a discharging port, a cutting motor, a connecting shaft, a cutting knife and a transmission mechanism, and the impurity removal assembly comprises a vibration screening mechanism and an airflow screening mechanism. The cutting motor drives the connecting shaft to rotate, so that the connecting shaft drives the cutting knife to rotationally cut high-silica glass fibers, the connecting shaft conveys the high-silica glass fibers to the discharge port through the transmission mechanism, and the cutting knife rotationally cuts the high-silica glass fibers to manufacture chopped yarns, so that automatic feeding and cutting are realized; the manufacturing efficiency of the chopped yarns is improved; the cut chopped yarns are subjected to vibration screening through the arranged vibration screening mechanism, the chopped yarns subjected to vibration screening are subjected to airflow screening again through the airflow screening mechanism, chippings doped in the chopped yarns are fully removed through two times of screening, and the quality of the chopped yarns is ensured.

The utility model relates to refractory production technical field, concretely is a kind of automatic batching conveying line protection structure of refractory, including support, conveying table and protection mechanism, conveying table is arranged on the surface of support, protection mechanism is arranged on the surface of support;Protection mechanism includes protection component, adjusting assembly and auxiliary assembly, and protection component includes mounting bracket, and mounting bracket is fixedly installed on the surface of support, and the surface of mounting bracket is provided with slot, and the surface of slot is inserted and is connected with protective cover, and the inner wall of protective cover is fixedly connected with high silica cloth protective layer, the utility model discloses protection mechanism can be set, dustproof, diffusion prevention and high-temperature protection can be carried out to conveying table and the refractory material transported by it in high temperature, more dust or dust easy diffusion and other environments using the protective cover that can be conveniently disassembled, and the height of protective cover can be adaptively adjusted according to the transport condition of refractory, effectively improve the durability of equipment.

The utility model discloses a high silica fiber continuous yarn drying device, which relates to the field of drying devices and comprises a machine body, a motor is arranged on the outer side of the machine body, a support is arranged at the bottom of the machine body, an electric heating net is arranged in the machine body, and a partition plate is arranged at the lower end of the electric heating net. A second rolling shaft is in butt joint with the left side of the motor, an extrusion mechanism is arranged on the left side of the second rolling shaft and comprises a conveying belt, and the second rolling shaft is sleeved with the conveying belt through a belt wheel. According to the high-silica fiber continuous yarn drying device, in the high-silica fiber continuous yarn drying process, position deviation possibly occurs due to slight vibration of equipment, drying of the high-silica fiber continuous yarn by the drying device is incomplete and uneven, and due to the fact that a movable plate is connected with an extrusion plate through a shaft, when the extrusion plate moves towards the inner side, the movable plate moves towards the inner side of a workbench at the same time; and a stirring strip arranged on the inner side of the moving plate swings up and down towards the inner side due to inertia force, and the high-silica fiber continuous yarn is stirred towards the inner side, so that the high-silica fiber continuous yarn is dried more comprehensively and uniformly.

The utility model discloses a kind of polyethylene cables, it is related to cable technical field, including cable core, the cable core is made of four annular distribution wire core stranding, the wire core is made of conductor and the insulating layer being set in the conductor outside, the interstice of the cable core is filled with epoxy resin glue, overlapping wrapping iron fluorine long composite fireproof belt outside cable core, iron fluorine long composite fireproof belt is extruded and covered with thermoplastic silicone rubber inner protective layer, the outside braiding of thermoplastic silicone rubber inner protective layer is by tinned copper braid, the outside wrapping of tinned copper braid is glass fibre rubber coated cloth, the outside of glass fibre rubber coated cloth is covered with high temperature resistant aluminium plastic composite belt, the outside overlapping wrapping of high temperature resistant aluminium plastic composite belt is high silica fibre fireproof belt, the extruded and covered with thermoplastic halogen-free low smoke flame-retardant polyolefin outer sheath of high silica fibre fireproof belt, the scheme solves the problem that polyolefin sheath power cable exists in high temperature resistance and flame retardant performance aspect deficiency, cannot work stably under high temperature environment.

The utility model discloses a silica aerogel fiber drying device, which relates to the technical field of drying devices, and comprises a tank body, the top of the tank body is rotatably connected with a cylinder, the side wall of the cylinder is communicated with a square tube, a square column is slidably arranged in the square tube, and the square column penetrates through one end, far away from the cylinder, of the square tube. A square groove is formed in the end, away from the square pipe, of the square column, a sliding block is slidably arranged in the square groove, a scraping rod is fixedly connected to the end, away from the square column, of the sliding block, and an elastic telescopic rod is arranged in the square groove. According to the silicon dioxide aerogel fiber drying device, by arranging a square column, a sliding block, a scraping rod, an elastic telescopic rod and other structures, materials on the inner wall of the tank body are pushed, scraped and cleaned, a bonding layer is prevented from being formed, the position of the scraping rod is adjustable, the using flexibility is improved, the service life is prolonged, meanwhile, the scraping rod can generate a shaking effect, residual materials are conveniently shaken off, and the drying effect is improved. And the use efficiency of the silicon dioxide aerogel fiber drying device is improved.

The present invention is a semi-batch, multi-phase reverse osmosis process for treating water containing silica which aims to achieve recovery rates of 90% and higher without requiring chemical intensive pretreatment.

The utility model discloses an automatic stacking cloth cutting machine for high silica fiber cloth, which relates to the field of cloth cutting machines and comprises a processing support base, a cloth transmission frame is mounted above the processing support base, and a meshing sliding mechanism for moving a cutting blade left and right is mounted in front of the cloth transmission frame. The meshing sliding mechanism comprises a working supporting frame, and the working supporting frame is fixedly installed above the machining supporting base. According to the automatic stacking cloth cutting machine for the high-silica fiber cloth, when the cloth needs to be stably cut, the cloth enters a cloth transmission frame and then is conveyed into a working supporting frame, at the moment, a fixed driving motor drives an auxiliary rotating worm, and a cutting blade can transversely move along with movement towards a limiting frame; and meanwhile, the cloth can be cut through the movement of the cutting blade, so that the cutting work of the cloth is always kept stable linear cutting, and the processing quality is guaranteed.

The invention provides a rare earth doped anti-resonance hollow-core optical fiber and a preparation method thereof, and provides a novel rare earth doped anti-resonance hollow-core optical fiber structure with a single cladding and a non-equal-thickness resonance wall, the optical fiber structure has a high optical signal-quartz overlapping area and low transmission loss, and the gain and loss performance of optical signals can be considered at the same time. And meanwhile, a technical route combining a 3D printing technology and a micro-defect / micro-flaw processing technology is provided, and preparation of the rare earth doped anti-resonance hollow-core optical fiber with a complex structure can be efficiently realized at low cost.

The utility model discloses a parking lot folding fireproof shed convenient to move, and relates to the field of automobile security and protection, the parking lot folding fireproof shed comprises a supporting rod and an inner rod, the inner rod is inserted in the supporting rod, and a nitrogen spring is installed at the position, located at a notch of the inner rod, of the interior of the supporting rod. The output end of the nitrogen spring penetrates through the outer surface of the supporting rod to abut against an extension rod, a positioning shaft is installed at the connecting position of the outer surface of the extension rod, the nitrogen spring and the extension rod are combined, a user can rapidly unfold or fold the parking shed, the operation convenience is improved, and the response speed is increased. And secondly, the flame-retardant fireproof cloth on the surface of the inner rod not only effectively improves the fireproof performance, but also enhances the tear resistance and durability through the composite characteristic of the ceramic fibers and the high silica material, so that the inner rod can cope with external impact during sudden accidents, the integrated storage box brings convenience to storage of the extension block and accessories, and the use process is simplified.

The utility model discloses a high-silica ceramic fiber composite block structure which comprises a ceramic fiber blanket block, and each surface of the ceramic fiber blanket block is respectively coated with high-silica cloth. According to the utility model, the advantages of the two materials are effectively combined, the good heat insulation performance is ensured, and meanwhile, the pollution to use scenes is avoided.

The utility model discloses an auxiliary unblocking device, and relates to the technical field of anti-blocking devices. The vibrating screen specifically comprises a screen body, a connecting base, a vibrating piece and a support. A pit for containing raw materials is formed in the middle of the screen body. The connecting bases are fixed to the two opposite ends of the screen. The vibration piece is arranged on the connecting seat, and the generated vibration force is transmitted to the screen mesh through the connecting seat; and the support bears the connecting seat and is elastically connected with the connecting seat. The screen is provided with a recess and is driven by the vibrating part to vibrate, and raw materials are accommodated in the recess of the screen, so that the raw materials are gradually scattered in the recess of the screen under the driving of the vibrating part, the scattering range of the raw materials is reduced, and the raw materials are prevented from being scattered to the outside of a material port of the high-silicon bin from the screen to cause blockage of the material port of the high-silicon bin. The blanking work of the raw materials is influenced.